TC74A2-3.3VCTTR Microchip Technology, TC74A2-3.3VCTTR Datasheet - Page 4
![IC DGTL THERM SNSR 3.3V SOT23A-5](/photos/6/59/65927/mfg_mcp402x_sot-23-5_sml.jpg)
TC74A2-3.3VCTTR
Manufacturer Part Number
TC74A2-3.3VCTTR
Description
IC DGTL THERM SNSR 3.3V SOT23A-5
Manufacturer
Microchip Technology
Datasheet
1.TC74A5-3.3VCTTR.pdf
(16 pages)
Specifications of TC74A2-3.3VCTTR
Function
Temp Monitoring System (Sensor)
Topology
ADC (Sigma Delta), Register Bank
Sensor Type
Internal
Sensing Temperature
-40°C ~ 125°C
Output Type
I²C™/SMBus™
Output Alarm
No
Output Fan
No
Voltage - Supply
2.7 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
SOT-23-5, SC-74A, SOT-25
Full Temp Accuracy
3 C
Digital Output - Bus Interface
I2C, SMBus
Digital Output - Number Of Bits
8 bit
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2.7 V
Description/function
Tiny Serial Digital Thermal Sensor
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 40 C
Supply Current
350 uA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
TC74A23.3VCTTR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
TC74A2-3.3VCTTR
Manufacturer:
MICROCHIP
Quantity:
12 000
Part Number:
TC74A2-3.3VCTTR
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
TC74
FIGURE 1-1:
DS21462C-page 4
A = Start Condition
B = MSB of Address Clocked into Slave
C = LSB of Address Clocked into Slave
D = R/W Bit Clocked into Slave
E = Slave Pulls SDA Line Low
SCLK
SDA
SCLK
SDA
SMBUS Read Timing Diagram
SMBUS Write Timing Diagram
A = Start Condition
B = MSB of Address Clocked into Slave
C = LSB of Address Clocked into Slave
D = R/W Bit Clocked into Slave
t
t
SU(START)
SU(START)
A
A
t
H(START)
t
H(START)
t
t
LOW
LOW
Timing Diagrams.
B
B
t
t
HIGH
HIGH
t
t
SU-DATA
SU-DATA
C
C
F = Acknowledge Bit Clocked into Master
G = MSB of Data Clocked into Slave
H = LSB of Data Clocked into Slave
I = Slave Pulls SDA Line Low
E = Slave Pulls SDA Line Low
F = Acknowledge Bit Clocked into Master
G = MSB of Data Clocked into Master
H = LSB of Data Clocked into Master
D
D
E F
E F
t
H-DATA
G
G
J = Acknowledge Clocked into Master
K = Acknowledge Clock Pulse
L = Stop Condition, Data Executed by Slave
M = New Start Condition
H
H
I = Acknowledge Clock Pulse
J = Stop Condition
K = New Start Condition
2002 Microchip Technology Inc.
I J
I
t
SU(STOP)
t
K
SU(STOP)
J
L
t
t
IDLE
IDLE
M
K